Loans (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Payment status of the loan portfolio
Maximum period for resolution of collection of past due secured loans for the loans to not be placed on nonaccrual status	90 days
Current	$ 944,449	$ 898,494
30-59 Days Past Due, Still Accruing	126	116
60-89 Days Past Due, Still Accruing		2
Nonaccrual	9,588	9,967
Total gross loans	954,163	908,579
Commercial
Payment status of the loan portfolio
Current	470,751	435,543
30-59 Days Past Due, Still Accruing		74
Nonaccrual	449	676
Total gross loans	471,200	436,293
Real estate construction
Payment status of the loan portfolio
Current	37,975	35,501
Total gross loans	37,975	35,501
Land loans
Payment status of the loan portfolio
Current	10,344	8,962
Nonaccrual	9	11
Total gross loans	10,353	8,973
Real estate other
Payment status of the loan portfolio
Current	130,556	134,148
Nonaccrual	5,688	5,783
Total gross loans	136,244	139,931
Factoring and asset based
Payment status of the loan portfolio
Current	199,313	193,893
Nonaccrual	1,518	1,450
Total gross loans	200,831	195,343
SBA
Payment status of the loan portfolio
Current	89,902	85,328
30-59 Days Past Due, Still Accruing	67
Nonaccrual	1,924	2,047
Total gross loans	91,893	87,375
Other
Payment status of the loan portfolio
Current	5,608	5,119
30-59 Days Past Due, Still Accruing	59	42
60-89 Days Past Due, Still Accruing		2
Total gross loans	$ 5,667	$ 5,163